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Nl Openapi Mcp

io.github.rubatoyd/nl-openapi-mcp ยท v0.7.0

National Library of Korea holdings search - books, online materials, KDC classification

Website Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add nl-openapi-mcp -e NL_API_KEY=<NL_API_KEY> -e NL_OS_TRUST=<NL_OS_TRUST> -- https://github.com/rubatoyd/nl-openapi-mcp/releases/download/v0.7.0/nl-openapi-mcp.mcpb
claude_desktop_config.json
{
  "mcpServers": {
    "nl-openapi-mcp": {
      "command": "https://github.com/rubatoyd/nl-openapi-mcp/releases/download/v0.7.0/nl-openapi-mcp.mcpb",
      "args": [],
      "env": {
        "NL_API_KEY": "<NL_API_KEY>",
        "NL_OS_TRUST": "<NL_OS_TRUST>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "nl-openapi-mcp": {
      "command": "https://github.com/rubatoyd/nl-openapi-mcp/releases/download/v0.7.0/nl-openapi-mcp.mcpb",
      "args": [],
      "env": {
        "NL_API_KEY": "<NL_API_KEY>",
        "NL_OS_TRUST": "<NL_OS_TRUST>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "nl-openapi-mcp": {
      "type": "stdio",
      "command": "https://github.com/rubatoyd/nl-openapi-mcp/releases/download/v0.7.0/nl-openapi-mcp.mcpb",
      "args": [],
      "env": {
        "NL_API_KEY": "<NL_API_KEY>",
        "NL_OS_TRUST": "<NL_OS_TRUST>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
NL_API_KEY
Required, secret		National Library of Korea OpenAPI key (issued at www.nl.go.kr). Required.
NL_OS_TRUST
Optional		Use the OS trust store for TLS (1=on, default). Set 0 to disable. Needed on school/corporate networks that intercept SSL.

Details

Packagehttps://github.com/rubatoyd/nl-openapi-mcp/releases/download/v0.7.0/[email protected] (MCPB, stdio)
First published12 Aug 2026
Last updated12 Aug 2026
Registry nameio.github.rubatoyd/nl-openapi-mcp

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